words_one = "敏而好学，不耻下问"
word_length = len(words_one)
print(word_length)
words_two = "人生苦短，我用Python"
word_length = len(words_two)              # 计算字符串的长度
print(word_length)
word = 'a'
print(ord(word))                             # 返回单字符的ASCII值
